felsite

play
noun fel·site \ˈfel-ˌsīt\

Definition of felsite

  1. :  a dense igneous rock consisting almost entirely of feldspar and quartz

felsitic

play \fel-ˈsi-tik\ adjective

Origin and Etymology of felsite

felspar + -ite


First Known Use: 1794


Learn More about felsite


Seen and Heard

What made you want to look up felsite? Please tell us where you read or heard it (including the quote, if possible).